Fix some typos and improve some UI text (#16283)

Fix some typos and improve some UI text (#16283)

* Fix typo: similiar → similar

Suggestion of unextro: https://crowdin.com/profile/unextro

* Fix typo: ChromeOS → Chrome OS

Suggestion of unextro: https://crowdin.com/profile/unextro

* Fix typo: Successfully remove → Successfully removed

Suggestion of GunChleoc: https://crowdin.com/profile/gunchleoc

* Fix typo: will now be processed in due time → will be processed

Suggestion of NCAA: https://crowdin.com/profile/ncaa

* Improve UI text: use “waiting period” instead of “cooldown period”

Suggestion of NCAA: https://crowdin.com/profile/ncaa

* Improve UI text: use “for today” instead of “for that day”

Suggestion of NCAA: https://crowdin.com/profile/ncaa